11342143213 has 4 divisors (see below), whose sum is σ = 11343634848. Its totient is φ = 11340651580.

The previous prime is 11342143171. The next prime is 11342143243. The reversal of 11342143213 is 31234124311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11342143213 - 2¹⁷ = 11342012141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342143243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734353 + ... + 749638.

It is an arithmetic number, because the mean of its divisors is an integer number (2835908712).

Almost surely, 2^11342143213 is an apocalyptic number.

It is an amenable number.

11342143213 is a deficient number, since it is larger than the sum of its proper divisors (1491635).

11342143213 is an equidigital number, since it uses as much as digits as its factorization.

11342143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491634.

The product of its digits is 1728, while the sum is 25.

Adding to 11342143213 its reverse (31234124311), we get a palindrome (42576267524).

The spelling of 11342143213 in words is "eleven billion, three hundred forty-two million, one hundred forty-three thousand, two hundred thirteen".